Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/2/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 06/03/2025 06:20:07 70.12, 81.25 47.71 06/03/2025 06:20:45 70.15, 81.24 47.73 3.36 38
2 06/03/2025 07:10:48 -70.01,-111.26 132.42 06/03/2025 07:10:15 -70.04,-111.29 132.39 3.16 33
3 06/05/2025 21:46:30 -70.78, 28.66 131.91 06/05/2025 21:47:39 -70.64, 30.20 132.09 58.75 69
4 06/05/2025 22:37:04 70.11,-162.97 47.40 06/05/2025 22:37:14 70.10,-162.95 47.38 1.47 10
5 06/05/2025 23:27:45 -70.00, 4.52 132.73 06/05/2025 23:26:44 -69.99, 4.53 132.74 1.09 61
6 06/08/2025 14:03:16 -70.20, 145.36 132.77 06/08/2025 14:04:15 -70.18, 145.42 132.79 2.77 59
7 06/08/2025 14:54:00 70.05, -47.12 47.08 06/08/2025 14:53:42 70.07, -47.09 47.11 2.86 18
8 06/08/2025 15:44:31 -69.41, 121.16 133.59 06/08/2025 15:43:21 -69.47, 119.71 133.48 56.97 70
9 06/11/2025 06:20:11 -70.14, -98.80 133.02 06/11/2025 06:20:42 -70.14, -98.75 133.03 1.64 31
10 06/11/2025 07:10:55 70.00, 68.73 46.83 06/11/2025 07:10:09 70.03, 68.73 46.86 3.10 46
11 06/13/2025 21:46:27 70.27,-150.55 46.96 06/13/2025 21:47:39 70.23,-150.37 46.90 8.07 72
12 06/13/2025 22:37:07 -70.09, 17.04 133.23 06/13/2025 22:37:10 -70.07, 17.04 133.26 2.80 3
13 06/13/2025 23:27:50 69.90,-175.36 46.57 06/13/2025 23:26:37 69.95,-175.48 46.64 7.43 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/2/2025
SNOs_Map_NOAA-21_LANDSAT-8_20250602.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/02/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8